20157397744

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{199}}^1\times {\mathrm{52321}}^1$

素因数の和:52550

約数の個数: 60

約数和(自身を含む): 43144721200

約数和(自身を除く): 22987323456

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 199, 242, 398, 484, 796, 968, 1592, 1936, 2189, 3184, 4378, 8756, 17512, 24079, 35024, 48158, 52321, 96316, 104642, 192632, 209284, 385264, 418568, 575531, 837136, 1151062, 2302124, 4604248, 6330841, 9208496, 10411879, 12661682, 20823758, 25323364, 41647516, 50646728, 83295032, 101293456, 114530669, 166590064, 229061338, 458122676, 916245352, 1259837359, 1832490704, 2519674718, 5039349436, 10078698872, 20157397744]

約数ペア:

[(1, 20157397744), (2, 10078698872), (4, 5039349436), (8, 2519674718), (11, 1832490704), (16, 1259837359), (22, 916245352), (44, 458122676), (88, 229061338), (121, 166590064), (176, 114530669), (199, 101293456), (242, 83295032), (398, 50646728), (484, 41647516), (796, 25323364), (968, 20823758), (1592, 12661682), (1936, 10411879), (2189, 9208496), (3184, 6330841), (4378, 4604248), (8756, 2302124), (17512, 1151062), (24079, 837136), (35024, 575531), (48158, 418568), (52321, 385264), (96316, 209284), (104642, 192632)]